diff options
author | Bjorn Helgaas <bhelgaas@google.com> | 2019-03-06 15:30:12 -0600 |
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committer | Bjorn Helgaas <bhelgaas@google.com> | 2019-03-06 15:30:12 -0600 |
commit | 58a79db4818296a609f4ab8335f707fa5e60787e (patch) | |
tree | 7ad8ad7883a4e40b575270e1eb895215296c5208 /drivers/pci/hotplug/pciehp_hpc.c | |
parent | 5d130e3dd8b6995e93aeb7a740709a46e7acf5df (diff) | |
parent | 2a727f6091372231281efaa8a5f56ee79509fd83 (diff) |
Merge branch 'pci/hotplug'
- Reorder pciehp cached state/hardware state updates to avoid missed
interrupts (Mika Westerberg)
- Turn ibmphp semaphores into completions or mutexes (Arnd Bergmann)
* pci/hotplug:
PCI: ibmphp: Turn semaphores into completions or mutexes
PCI: pciehp: Assign ctrl->slot_ctrl before writing it to hardware
Diffstat (limited to 'drivers/pci/hotplug/pciehp_hpc.c')
-rw-r--r-- | drivers/pci/hotplug/pciehp_hpc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c index 7dd443aea5a5..cd9eae650aa5 100644 --- a/drivers/pci/hotplug/pciehp_hpc.c +++ b/drivers/pci/hotplug/pciehp_hpc.c @@ -156,9 +156,9 @@ static void pcie_do_write_cmd(struct controller *ctrl, u16 cmd, slot_ctrl |= (cmd & mask); ctrl->cmd_busy = 1; smp_mb(); + ctrl->slot_ctrl = slot_ctrl; pcie_capability_write_word(pdev, PCI_EXP_SLTCTL, slot_ctrl); ctrl->cmd_started = jiffies; - ctrl->slot_ctrl = slot_ctrl; /* * Controllers with the Intel CF118 and similar errata advertise |